A thermal process to toughen the high carbon steel by providing more ductility is（）-未来题库

A thermal process to toughen the high carbon steel by providing more ductility is（）

未来题库→百科

A thermal process to toughen the high carbon steel by providing more ductility is（）

A.Tempering

B.Spheroidizing

C.Case hardening

D.Annealing

正确答案：Spheroidizing

Tags:ductility Providing thermal

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